XC for X-tra Coverage, X-tra Control, X-tra Comfort.
X-tra Coverage: Exceptional lens 9 base-curved high coverage lens
X-tra Control : Adjustable temples & lenses with flexible nosepiece. Extra flexible frame. Easily replaceable lenses : they can be changed easily without replacing the entire frame for a longer product life and cost savings. It fits a variety of faces, including men & women and feels like made-to-order. It guarantees a perfect fit. The 13 different lenses offer a wide choice and a solution for every application.
X-tra Comfort : Multi-Material Technology - MMT Ultra-soft two-shot material on any part of the frame in contact with the face or head (brow, nosebridge, and temples). All pressure points are relieved for exceptional all-day comfort
General Use and protection against impact (45m/s)
Mechanical Work (grinding, turning, milling)
Gas welding: Acetylene flow < 200 liters / hour
Oxy-cutting: Oxygen flow > 900 l/h, <2000 l/h
Arc welding: Current < 12 A
Micro-plasma welding Current < 12 A